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In previous posts, we demonstrated how to build an API application with Rails 5. Specifically, we covered integration with Backbone and Ember. At the time of writing of those posts, the only way to try out the all-new Rails API mode was by taking the code from the master branch, since Rails 5 had not yet been released. However, Rails-5-0-beta1 is available now, so you can easily start to build app

Edit: In this post we’re upgrading an application to Rails 5.0.0.beta1.1 and Rails 5.0.0.beta2 is now already released. Throughout this post we show some patches we needed to apply to Rails to get our application working. Those patches are now included as part of Rails 5.0.0.beta2. We still consider this post worth reading to get an interesting view of how to upgrade your applications to newer ver

String literals immutability is one of the new features you can find in Ruby 2.3. But, what does this imply? Same value literals points to the same object Better performance Thread safety Currently string immutability is included as opt-in, being the first step of a multi stage rollout and if it works well it will be enabled by default on Ruby 3.0. So it still can end up being just an experiment.

A few days ago, following long discussions, Rails API was merged into Rails master branch. Because of that, in our latest post we discussed how to build an API only application. We’ve also shown how to integrate it with a client-side application implemented using Backbone. If you’ve missed this post, check it out and learn more about how to integrate Rails API with an Backbone application. In this

A few weeks ago, an announcement was made referring to the imminent inclusion of Rails API into Rails core. Until now, Rails API has been a separated project and people have been using it through the rails-api gem. Santiago Pastorino and I have been working on bringing Rails API into Rails for a while. After some further discussion, bug fixes and last-minute changes, the corresponding pull request

A decision was made to incorporate Rails API into Rails core   . During the last week I’ve been working on this and, today we opened a pull request to discuss the results. What is Rails API? The original idea behind Rails API was to serve as a starting point for a version of Rails better suited for JS-heavy apps. The project consists of: Rails API per se, the Active Model Serializers project pl

I gave a presentation in RubyConf Argentina about what’s new in Rails 4 (if you saw it please rate it). I’ve already posted the Rails 4 MindNode which I used to start to think about what I was going to present. The talk was in Spanish but I’m leaving here the English version of the slides. If you want to use these slides to spread the word about what’s new in Rails you don’t need to ask me for per

Refinements arrived to Ruby trunk here. The purpose of Refinements is to make monkey patching safer, extending core classes but limiting its effects to a particular area of code. Shugo Maeda wrote … "Refinements are similar to Classboxes. However, Refinements doesn't support local rebinding as mentioned later. In this sense, Refinements might be more similar to selector namespaces, but I'm not sur

rails-api is a plugin developed by Yehuda Katz, José Valim, Carlos Antonio da Silva and me (Santiago Pastorino) which modifies Rails applications trimming down usually unneeded Rails functionalities for API applications. Do you remember we added support for this on core and it was reverted?. This plugin enables that again. What is an API app? Traditionally, when people said that they used Rails as

TL;DR: don’t run bundle exec before rails command, rails already checks the presence of Bundler through the Gemfile and sets up everything according to it without the overhead of bundle exec_. _rails command is the only exception to the rule. Additionally I’ve added a patch to Bundler that avoids calling Bundler.setup which adds unnecessary overhead. I was researching on a huge Bundler 1.1 perform

As you probably know Ruby (MRI so brixen doesn’t get mad at me :P) 1.9.3 was released I’ve been using 1.9.3 for a while now and as part of my RubyConf Uruguay talk I wanted to show ruby-debug. So my first attempt was: $ gem install ruby-debug19 Fetching: linecache19-0.5.12.gem (100%) Building native extensions. This could take a while... Fetching: ruby-debug-base19-0.11.25.gem (100%) Building nati

I’d like to share with the community my emacs init file and a set of plugins to give a nicer experience on Ruby on Rails development, which you can checkout from here. I have been using this environment under emacs 23, and it has not been tested on other emacs versions, so all feedback is welcome, if something goes wrong please feel free to contact me. What’s in the package? The package provides m